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Animal Biotechnology Chromosomes

Animal Biotechnology Chromosomes
A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of

translocation heterozygote
deficiency
duplication
haploid organism

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Animal Biotechnology Chromosomes
In a dihybrid cross, the progeny of an Fl individual (hetero2ygous for both characters) will show a phenotypic ratio of

9:3:3:1
1:1:1:1
1:2:2:1
3:1:1:3

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Animal Biotechnology Chromosomes
In an organism, the chromosome number is maintained constant because of

crossing over
independent assortment
DNA duplication
synapsis

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Animal Biotechnology Chromosomes
Transmission of a gene from male parent to female child to male grand child is known as

maternal inheritance
criss-cross inheritance
quantitative inheritance
holandric inheritance

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Animal Biotechnology Chromosomes
Which of the following is correct when a character shows continuous variation assuming a normal distribution?

It is not controlled genetically
Many of the variation is due to fluctuation of climate
None of these
It is governed by many genes with small cumulative effect

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Animal Biotechnology Chromosomes
The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as

inheritance percent
environmental influence
penetrance
expressivity

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